ARM: dts: msm: Fix interrupt-map property for msm8996

The length of interrupt-map property depends on the address-cells and
interrupt-cells properties of the interrupt controller referred to
by the phandle. The size of the address-cells property was changed.
Modify the corresponding property for pcie appropriately.

Change-Id: Icd0942094f47cb704637cb59548528eb75ae8f00
Signed-off-by: Rama Krishna Phani A <rphani@codeaurora.org>